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gab.opencv</FONT>
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Class Contour</H2>
<PRE>
<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</A>
  <IMG SRC="../../resources/inherit.gif" ALT="extended by "><B>gab.opencv.Contour</B>
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<DL>
<DT><PRE>public class <B>Contour</B><DT>extends <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></DL>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;MatOfPoint</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../gab/opencv/Contour.html#pointMat">pointMat</A></B></CODE>

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<TD><CODE><B><A HREF="../../gab/opencv/Contour.html#Contour(processing.core.PApplet, MatOfPoint)">Contour</A></B>(<A HREF="http://processing.googlecode.com/svn/trunk/processing/build/javadoc/core/processing/core/PApplet.html?is-external=true" title="class or interface in processing.core">PApplet</A>&nbsp;parent,
        MatOfPoint&nbsp;mat)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../gab/opencv/Contour.html#Contour(processing.core.PApplet, MatOfPoint2f)">Contour</A></B>(<A HREF="http://processing.googlecode.com/svn/trunk/processing/build/javadoc/core/processing/core/PApplet.html?is-external=true" title="class or interface in processing.core">PApplet</A>&nbsp;parent,
        MatOfPoint2f&nbsp;mat)</CODE>

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<CODE>&nbsp;float</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../gab/opencv/Contour.html#area()">area</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The area of the Contour's bounding box.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../gab/opencv/Contour.html#containsPoint(int, int)">containsPoint</A></B>(int&nbsp;x,
              int&nbsp;y)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Check if the Contour contains a given x-y point.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../gab/opencv/Contour.html#draw()">draw</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Draw the Contour as a closed shape with one vertex per-point.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="http://java.sun.com/javase/6/docs/api/java/awt/Rectangle.html?is-external=true" title="class or interface in java.awt">Rectangle</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../gab/opencv/Contour.html#getBoundingBox()">getBoundingBox</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get the bounding box for the Contour.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../gab/opencv/Contour.html" title="class in gab.opencv">Contour</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../gab/opencv/Contour.html#getConvexHull()">getConvexHull</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Calculate a convex hull from the current Contour.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="http://java.sun.com/javase/6/docs/api/java/util/ArrayList.html?is-external=true" title="class or interface in java.util">ArrayList</A>&lt;<A HREF="http://processing.googlecode.com/svn/trunk/processing/build/javadoc/core/processing/core/PVector.html?is-external=true" title="class or interface in processing.core">PVector</A>&gt;</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../gab/opencv/Contour.html#getPoints()">getPoints</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get the points that make up the Contour.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../gab/opencv/Contour.html" title="class in gab.opencv">Contour</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../gab/opencv/Contour.html#getPolygonApproximation()">getPolygonApproximation</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get a new Contour that results from calculating
 the polygon approximation of the current Contour.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;double</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../gab/opencv/Contour.html#getPolygonApproximationFactor()">getPolygonApproximationFactor</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Access the current polygonApproximationFactor.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../gab/opencv/Contour.html#loadPoints(Point[])">loadPoints</A></B>(Point[]&nbsp;pts)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../gab/opencv/Contour.html#numPoints()">numPoints</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The number of points in the Contour.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../gab/opencv/Contour.html#setPolygonApproximationFactor(double)">setPolygonApproximationFactor</A></B>(double&nbsp;polygonApproximationFactor)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The polygonApproximationFactor is used to determine
 how strictly to follow a curvy polygon when converting
 it into a simpler polygon with getPolygonApproximation().</TD>
</TR>
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<TH ALIGN="left"><B>Methods inherited from class java.lang.<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></B></TH>
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<A NAME="pointMat"><!-- --></A><H3>
pointMat</H3>
<PRE>
public MatOfPoint <B>pointMat</B></PRE>
<DL>
<DL>
</DL>
</DL>

<!-- ========= CONSTRUCTOR DETAIL ======== -->

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<A NAME="Contour(processing.core.PApplet, MatOfPoint)"><!-- --></A><H3>
Contour</H3>
<PRE>
public <B>Contour</B>(<A HREF="http://processing.googlecode.com/svn/trunk/processing/build/javadoc/core/processing/core/PApplet.html?is-external=true" title="class or interface in processing.core">PApplet</A>&nbsp;parent,
               MatOfPoint&nbsp;mat)</PRE>
<DL>
</DL>
<HR>

<A NAME="Contour(processing.core.PApplet, MatOfPoint2f)"><!-- --></A><H3>
Contour</H3>
<PRE>
public <B>Contour</B>(<A HREF="http://processing.googlecode.com/svn/trunk/processing/build/javadoc/core/processing/core/PApplet.html?is-external=true" title="class or interface in processing.core">PApplet</A>&nbsp;parent,
               MatOfPoint2f&nbsp;mat)</PRE>
<DL>
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<A NAME="loadPoints(Point[])"><!-- --></A><H3>
loadPoints</H3>
<PRE>
public void <B>loadPoints</B>(Point[]&nbsp;pts)</PRE>
<DL>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="containsPoint(int, int)"><!-- --></A><H3>
containsPoint</H3>
<PRE>
public boolean <B>containsPoint</B>(int&nbsp;x,
                             int&nbsp;y)</PRE>
<DL>
<DD>Check if the Contour contains a given x-y point.
 Particularly, useful for interaction via mouseX and mouseY.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>x</CODE> - <DD><CODE>y</CODE> - 
<DT><B>Returns:</B><DD>boolean</DL>
</DD>
</DL>
<HR>

<A NAME="setPolygonApproximationFactor(double)"><!-- --></A><H3>
setPolygonApproximationFactor</H3>
<PRE>
public void <B>setPolygonApproximationFactor</B>(double&nbsp;polygonApproximationFactor)</PRE>
<DL>
<DD>The polygonApproximationFactor is used to determine
 how strictly to follow a curvy polygon when converting
 it into a simpler polygon with getPolygonApproximation().
 For advanced use only. Set to a sane value by default.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>polygonApproximationFactor,</CODE> - a double</DL>
</DD>
</DL>
<HR>

<A NAME="getPolygonApproximationFactor()"><!-- --></A><H3>
getPolygonApproximationFactor</H3>
<PRE>
public double <B>getPolygonApproximationFactor</B>()</PRE>
<DL>
<DD>Access the current polygonApproximationFactor. The polygonApproximationFactor
 is used to determine how strictly to follow a curvy polygon when converting
 it into a simpler polygon with getPolygonApproximation().
<P>
<DD><DL>

<DT><B>Returns:</B><DD>polygonApproximationFactor, a double</DL>
</DD>
</DL>
<HR>

<A NAME="getPolygonApproximation()"><!-- --></A><H3>
getPolygonApproximation</H3>
<PRE>
public <A HREF="../../gab/opencv/Contour.html" title="class in gab.opencv">Contour</A> <B>getPolygonApproximation</B>()</PRE>
<DL>
<DD>Get a new Contour that results from calculating
 the polygon approximation of the current Contour.
 The tightness of the approximation is set by the polygonApproximationFactor,
 See setPolygonApproximationFactor() and getPolygonApproximationFactor().
<P>
<DD><DL>

<DT><B>Returns:</B><DD></DL>
</DD>
</DL>
<HR>

<A NAME="getConvexHull()"><!-- --></A><H3>
getConvexHull</H3>
<PRE>
public <A HREF="../../gab/opencv/Contour.html" title="class in gab.opencv">Contour</A> <B>getConvexHull</B>()</PRE>
<DL>
<DD>Calculate a convex hull from the current Contour.
 Returns a new Contour representing the convex hull.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>Contour</DL>
</DD>
</DL>
<HR>

<A NAME="draw()"><!-- --></A><H3>
draw</H3>
<PRE>
public void <B>draw</B>()</PRE>
<DL>
<DD>Draw the Contour as a closed shape with one vertex per-point.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getPoints()"><!-- --></A><H3>
getPoints</H3>
<PRE>
public <A HREF="http://java.sun.com/javase/6/docs/api/java/util/ArrayList.html?is-external=true" title="class or interface in java.util">ArrayList</A>&lt;<A HREF="http://processing.googlecode.com/svn/trunk/processing/build/javadoc/core/processing/core/PVector.html?is-external=true" title="class or interface in processing.core">PVector</A>&gt; <B>getPoints</B>()</PRE>
<DL>
<DD>Get the points that make up the Contour.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>ArrayList<PVector> points</DL>
</DD>
</DL>
<HR>

<A NAME="numPoints()"><!-- --></A><H3>
numPoints</H3>
<PRE>
public int <B>numPoints</B>()</PRE>
<DL>
<DD>The number of points in the Contour.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>int</DL>
</DD>
</DL>
<HR>

<A NAME="getBoundingBox()"><!-- --></A><H3>
getBoundingBox</H3>
<PRE>
public <A HREF="http://java.sun.com/javase/6/docs/api/java/awt/Rectangle.html?is-external=true" title="class or interface in java.awt">Rectangle</A> <B>getBoundingBox</B>()</PRE>
<DL>
<DD>Get the bounding box for the Contour.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>A java.awt.Rectangle</DL>
</DD>
</DL>
<HR>

<A NAME="area()"><!-- --></A><H3>
area</H3>
<PRE>
public float <B>area</B>()</PRE>
<DL>
<DD>The area of the Contour's bounding box. In most cases, this is a good approximation for the Contour's area.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>float area</DL>
</DD>
</DL>
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Processing library opencv_processing by Greg Borenstein. (c) 2013
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